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XC6367 Datasheet(PDF) 6 Page - Torex Semiconductor

Part No. XC6367
Description  PWM Controlled, PWM/PFM Switchable Step-Up DC/DC Controllers
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Maker  TOREX [Torex Semiconductor]
Homepage  http://www.torex.co.jp
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XC6367 Datasheet(HTML) 6 Page - Torex Semiconductor

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558
XC6367/6368 Series
PARAMETER
SYMBOL
RATINGS
UNITS
VDD Pin Voltage
VDD
-0.3 ~ +12.0
V
VOUT Pin Voltage
VOUT
-0.3 ~ +12.0
V
FB Pin Voltage
VFB
-0.3 ~ +12.0
V
CE Pin Voltage
VCE
-0.3 ~ +12.0
V
EXT Pin Voltage
VEXT
-0.3 ~ VDD+0.3
V
EXT Pin Current
IEXT
±
100
mA
Power Dissipation
Pd
150
mW
Operating Temperature Range
Topr
-30 ~ +80
Storage Temperature Range
Tstg
-40 ~ +125
PARAMETER
SYMBOL
CONDITIONS
MIN.
TYP.
MAX.
UNITS
Output Voltage
VOUT
3.218
3.300
3.383
V
Supply Voltage (* 1)
VDD
2.0
-
10.0
V
Maximum Input Voltage
VIN
10.0
-
-
V
Oscillation Start Voltage 1
VST1
Tr: 2SD1628, IOUT=1.0mA
-
-
0.9
V
Oscillation Start Voltage 2
VST2
VOUT=CE: Apply voltage
-
-
0.8
V
Oscillation Hold Voltage
VHLD
Tr: Use of a 2SX1628, IOUT=1.0mA
-
-
0.7
V
Supply Current 1
IDD1
VOUT=CE=setting output voltage x 0.95
-
130
200
μ
A
Supply Current 2
IDD2
VOUT=CE=setting output voltage + 0.5V
-
20
35
μ
A
Stand-by Current
ISTB
VOUT=setting output voltage x 0.95, CE=0V
-
-
0.5
μ
A
Oscillator Frequency
FOSC
Same as IDD1
255
300
345
kHz
Maximum Duty Ratio
MAXDTY
Same as IDD1
78
85
92
%
PFM Duty Ratio (* 3)
PFMDTY
IOUT=0mA
15
25
35
%
CE "High" Voltage
VCEH
VOUT=setting output voltage x0.95
0.65
-
-
V
CE "Low" Voltage
VCEL
VOUT=setting output voltage x0.95
-
-
0.20
V
EXT "High" ON Resistance
REXTH
Same as IDD1, VEXT=VOUT-0.4V
-
29
43
Ω
EXT "Low" ON Resistance
REXTL
Same as IDD1, VEXT=0.4V
-
19
27
Ω
Efficiency (* 2)
EFFI
-
84
-
%
Soft-Start Time
TSS
5
10
20
msec
ABSOLUTE MAXIMUM RATINGS
Ta = 25℃
ELECTRICAL CHARACTERISTICS
XC6367A333MR, XC6368A333MR
Conditions: Unless otherwise stated, connect VDD to VOUT; VIN=setting output voltage x 0.6, IOUT=130mA
NOTE:
* 1: When taking VDD from another power source please ensure that VDD = 2.0V or more.
Oscillation will occur with a value of VDD = 0.8V or more, but with a value of VDD = 2.0V or more,
output voltage and oscillation frequency will be stable.
* 2: EFFI = {[(output voltage) x (output current)]÷[(input voltage) x (input current)] x 100
* 3: Applies to the XC6368 series only (duty ratio when control changes to PFM).
VOUT=3.3V, FOSC=300kHz, Ta=25℃
*Voltage is all ground standardized.


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